DIGITAL HOME CINEMA SYSTEM Model : HV-7852UX HV-7852HUX Table of Contents SAFETY PRECAUTIONS ..........1 INTERNAL BLOCK DIAGRAM OF ICs ......9 SPECIFICATIONS ............2 EXPLODED VIEW AND MECHANICAL PARTS LIST ..10 Mechanical Exploded View / Parts list LOCATION OF USERS CONTROLS ......3 LEVEL/WIRING DIAGRAM ...........
Safety Precautions WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE laundry tub, in a wet basement, or near a swimming pool, THIS APPLIANCE TO RAIN OR MOISTURE. and the like. 2. Carts and Stands - The appliance PORTABLE CART CAUTION should be used only with a cart or RISK OF ELECTRIC SHOCKS...
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Safety Precautions 13.Outdoor Antenna Grounding - If an outside antenna is 15.Object and Liquid Entry - Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through connected to the receiver be sure the antenna system is openings.
Specifications General specifications Power output Table Power supply Power output at 10%THD(RMS) Model Operating Voltage AC 100 - 240 V, 50/60 Hz Front Woofer HV-7852UX Power consumption Standby : under 1 Watt 50 W, 8 ohm 100 W, 4 ohm HV-7852HUX Operating : 38 Watt Dimensions(WxDxH) / Weight 280 x 323.5 x 133.5 mm / 3.5 kg...
Location of Users Controls Remote Controller 1. POWER ON/STANDBY button : Switches the unit ON or OFF. 2. OPEN/CLOSE button : Ejects or inserts disc from the slot loader. Selects video signal scan mode. 3. DVD/TV SYSTEM(PAL/NTSC: DVD only) button : Selects a DISC mode or change the video signal type(PAL/NTSC) STANDBY/ON OPEN/CLOSE...
Connecting to Equipment Connecting to TV 21-Pin SCART Cable(not included) to 21-pin SCART input terminal on TV SCART Specification : Composite and Component Video output(DVD, Video)Audio L/R Output(DVD only) To SCART input for EU version: optional To Cr/Pr video input To Cb/Pb video input To Y video input To HDMI input...
Connecting to Equipment Connecting the supplied FM antennas Adjusting the position of the FM antenna While listening to an FM program, extend the antenna and move it in various directions until the clearest signal is received, then secure the antenna with push pins in the position with the least distortion. Connecting the USB device of Fresh memory type Before connecting Refer also to the instruction manual of each USB Device to be connected.
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Connecting to Equipment Assembling the speaker Case 1 Fasten Loosen Case 2 Fasten Loosen...
Firmware Upgrade Preparing the firmware upgrade 1. Copy a USB device to update file. 2. A size of dummy folder is more 10M bytes. (ex : MP3 file or attached picture) 3. Put firmware file in an USB device an USB function.
Firmware Upgrade Read the USB device, checksum check and update new firmware. READING OK FLASH CHECKSUM OK ERASE/WRITE Completed update. 1. Automatically Video Output off, after complete update. 2. Remove the USB device. 3. Press STANDBY/ON button twice (off 4. The machine is working. DONE Check the Update Version.
Code Free Method & EEPROM Reset Preparing the Code free method 1. Press “OPEN” button. 2. Press “SETUP” button. 3. Press number button. 4. You can see window for code free. 5. Press “ENTER” or “Right Arrow” button. 6. Select region number. 7.
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Trouble Shooting Guide BASIC OPERATING START Is Standby LED on? Check Power Supply Circuit. Check Connection CN701. Turn Power on. Is Power on? Check IC703 (PM0608D). Check Standby Section in the SMPS Does Initial read work? Check DVD Mechanism. Check Power Supply Section. Does It Play? Check DVD Region.
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Trouble Shooting Guide 1. INITIAL OPERATING START Is Standby LED on? Is Supply S_5.3V? Check Connection CN701. Check Power Supply. Is Power on? Check if display the Logo on TV. Check data line between IC501 and 601. Replace Flash Memory & SDRAM. Check interface of VFD Driver...
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Trouble Shooting Guide Check if pwr_on(6) of IC703 is high? Check OSC waveform of XC701. Replace XC701. Check if SG1 of IC501(192) is high? Replace IC501.
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Trouble Shooting Guide 3. AUDIO Abnormal Audio Abnormal of DVD Function USB Function. Digital Audio Input Function. Check if the I2S output of IC501 is ok? Replace IC501. AUX Function. TUNER Function. Check if the I2S input of IC801 is ok? Check Resister HR801 ~ HR804.
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Trouble Shooting Guide 3. AUDIO Abnormal Audio Abnormal of Digital USB INPUT Audio Input Function Check if the Input Select is Check if the Data interface is ok? Replace IC501. Check if the data of CN501 is ok? Check USB PCB. Replace J702.
Trouble Shooting Guide 3. AUDIO Abnormal Audio Abnormal of Digital OPTICAL INPUT Audio Input Function Check if the Input Select is Check if the Data interface is ok? Replace IC501...
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Trouble Shooting Guide 3. AUDIO Abnormal Audio Abnormal of AUX Input Function Check if the Analog output of IC404 is ok? Check the Signal Input of OPAMP. Replace IC404 (OPAMP). Check if the Analog Output of IC401 is Check Input Port of MUX (CE405, CE406).
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Trouble Shooting Guide 3. AUDIO Abnormal Audio Abnormal of Tuner Function Check if the Data Interface is ok? Check if the Tuner data is Check IC501 Data Interface Stereo, PLL_CE. Check if the RDS data is Check IC501 Data Interface RDS_CLK, RDS_DATA Check if the Function operation...
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Trouble Shooting Guide 4. AUDIO LINE OUTPUT Abnormal Audio Abnormal of H/P Output Check if the output of IC801 PWM_HP is Replace IC801. Check if the output of IC805 is ok? Check Between IC801 and IC805. Check if the HP_SENSE is high? Check J701 and Supplied Power in the H/P PCB.
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Trouble Shooting Guide 4. AUDIO LINE OUTPUT Abnormal Audio Abnormal SCART Output of Line Output Check if the output of IC501 pin125,126 is ok? Replace IC501. Check if the output of IC401 is ok? Replace IC401. Check if the output of IC405 is ok? Check CW402 in the SCART PCB.
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Trouble Shooting Guide 5. AUDIO CONTROL Abnormal Audio Abnormal of Volume Control Check if the data of IC701 is ok? Check the CW801 is ok? Replace the Connector Check the Signal Output is ok? Replace IC801. Replace IC701...
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Trouble Shooting Guide 5. AUDIO CONTROL Abnormal Audio Abnormal of Remote Control Check if the data of IC501 is ok? Check Input data of RMC is Check Remote Receiver, RM701. Replace IC501...
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Trouble Shooting Guide 6. VIDEO OUTPUT Abnormal VIDEO Abnormal of Component, Composite Check if the Output of IC501 is ok? Check Crystal is ok? Replace Cystal, XC501. Check Setup is Setting for RGB Mode. Setting for Composite mode. Setting for Interace mode. Setting for Progressive mode.
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Trouble Shooting Guide 7. HDMI OUTPUT Abnormal HDMI OUTPUT Abnormal Check if the Video Output of J001 is ok? Check HP_DET of IC001 is ok? Check HP_DET of IC001 is ok? Check Setup is Setting for NTSC/PAL Mode. Setting for Resolution mode. Replace IC501 Check the I2C is ok?
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Trouble Shooting Guide 8. MECHA CONTROL Abnormal Control Abnormal of Open/Close Check if the data input of IC501 is ok? Check VFD data is ok? Replace Front PCB Ass'y. Check Connection CN701. Check data waveforn of VFD_DATA, CLK, CS Check data line between Front and Mpeg.
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Trouble Shooting Guide 9. MECHA CONTROL Abnormal Control Abnormal of Disc Loading Check if the data input of IC501 is ok? Check VFD data is ok? Replace Front PCB Ass'y. Check data waveforn of VFD_DATA, CLK, CS Replace IC501 Check the output of IC509 is ok? Check the...
Waveforms of Major Check Method Test Point : DVD Test Disc MDVD-W111 TRACK2 Color Bar Audio Out Signal Waveform PWM Output Waveform During Normal Play Serial Data Output Waveform During Normal Play...
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Waveforms of Major Check Method Test Point : DVD Test Disc MDVD-W111 TRACK2 Color Bar Pr Output Data Waveform in Component Output Pb Output Data Waveform in Component Output Y Output Data Waveform in Component Output...
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Waveforms of Major Check Method Test Point : DVD Test Disc MDVD-W111 TRACK2 Color Bar Composite Output Data Waveform in Monitor Output S-Video Output Data Waveform...
Exploded View and Mechanical Parts List P3-1 P3-2 OPTION :FOR EUROPE OPTION : NON HDMI HV-7852 UX WITH SCART JACK P3-1 P2-1 P2-2 OPTION : DC FAN...
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Exploded View and Mechanical Parts List PARTS NAME CODE NO. DESCRIPTIONS Q'TY REMARKS PARTS NAME CODE NO. DESCRIPTIONS Q'TY REMARKS PANEL FRONT 9CD0320700 ABS, HIGH GLOSSY PCB FRONT 9CD6511200 WINDOW FRONT 9CD1627900 HALF MIRROR (BLACK) P2-1 PCB USB 9CD6511800 WINDOW DOOR HALF MIRROR (BLACK) P2-2 PCB H/P 9CD6511801...
Block Diagram Memory MPEG Decoder Section Single ES8381FCA DVD Mechanism WITH SCALER ES8380SCA(w/o HDMI) ES8381FCA(with HDMI) Section MPEG Decoder Video HDMI Interface Section HDMI Section HDMI Transmitter Port Protecter Common mode Choke ES7108S & ESD Block Analog Audio Digital Audio Section Section TX Connector...
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Block Diagram RGB Switch TV Switch I2S Output PWM Output STA505 MPEG PS9830B CVBS (Front) (DVD/CD) Composite out Deck Mecha Single Mechanism MPEG IC STA505 4 DAC (Sub woofer) AK5358A 6dB Amp BH7868FS Scart Jack With BPF for Buffer Progressive H/P Output Europe : Component (YPbPr) RGB (Scart Jack Only)
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Block Diagram Power Key Module Control Power Control MAIN PM0608D MPEG IC FM Only POWER RMC IR 74HC374NSR WITH RDS Kwang Sung Tuner Module Power Control Audio M74HC4502 POWER ALL System SMPS VFD DRV . Volume Seg/Grid Input ASA Mechanism MPEG IC Single DVD Front Loading Type HDMI PORT...
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Block Diagram Front PCB HDMI Section HDMI TX VFD / LED / KEY ES7108S 24C04 RGB Switch SC16315 TV Switch Single DVD Mechanism VA6309 AM5888S Power Control PM0608D CVBS VDAC Composite Output 74HCU04 UDAC 74HC14 MPEG IC Flash 16MB MPEG BH7868FS LCS3 ES8380FCA...
Schematic Diagram HV-7852HUX MPEG Section 1 : Processor To Interface Block 4 TEST POINT To PICKUP Block 3 IC501 ES8381FCA To Interface Block 4 To MEMORY Block 2 To Interface Block 4 To HDMI Block 5...
Appendix - Electrical part list 1. JACK Option for HV-7852 Series. Remark PART NAME DESC Europe America PCB SCART ASS'Y 9CDC092400 FR-1 70X72mm 2. AC CORD Option for HV-7852 Series. PART NAME DESC AREA Europe AC901 CORD AC 9736919400 KE-21 H03VVH2-F 2*0.75 2.5A 250V Stopper : 300mm America AC901 CORD AC...
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